{"id":"CVE-2012-2134","aliases":["EUVD-2012-2134","GHSA-cq5c-cr6p-vfwm","RHSA-2012:0683"],"status":"published","title":"The handle_connection_error function in ldap_helper.c in bind-dyndb-ldap before 1.1.0rc1 does not...","description":"The handle_connection_error function in ldap_helper.c in bind-dyndb-ldap before 1.1.0rc1 does not properly handle LDAP query errors, which allows remote attackers to cause a denial of service (infinite loop and named server hang) via a non-alphabet character in the base DN in an LDAP search DNS query.","severity":{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.02325,"percentile":0.83601,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-399"],"published":"2014-02-26T15:00:00Z","modified":"2026-06-26T10:18:37Z","fixes":[{"ecosystem":"Red Hat:enterprise_linux:6::server","package":"bind-dyndb-ldap","fixed_in":["0:0.2.0-7.el6_2.1"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:6::server","package":"bind-dyndb-ldap-debuginfo","fixed_in":["0:0.2.0-7.el6_2.1"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:6::workstation","package":"bind-dyndb-ldap","fixed_in":["0:0.2.0-7.el6_2.1"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:6::workstation","package":"bind-dyndb-ldap-debuginfo","fixed_in":["0:0.2.0-7.el6_2.1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::server","package":"bind-dyndb-ldap","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:0.2.0-7.el6_2.1"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::server","package":"bind-dyndb-ldap-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:0.2.0-7.el6_2.1"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::workstation","package":"bind-dyndb-ldap","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:0.2.0-7.el6_2.1"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::workstation","package":"bind-dyndb-ldap-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:0.2.0-7.el6_2.1"}]}]}],"products":[{"vendor":"martin_nagy","product":"bind-dyndb-ldap"}],"references":[{"url":"http://secunia.com/advisories/48901","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Vendor Advisory"]},{"url":"https://www.redhat.com/archives/freeipa-users/2012-April/msg00144.html","tags":["mailing-list","x_refsource_MLIST","x_transferred"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=815846","tags":["x_refsource_CONFIRM","x_transferred","report"]},{"url":"https://git.fedorahosted.org/cgit/bind-dyndb-ldap.git/tree/NEWS","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://rhn.redhat.com/errata/RHSA-2012-0683.html","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred","Patch"]},{"url":"http://www.osvdb.org/81619","tags":["vdb-entry","x_refsource_OSVDB","x_transferred"]},{"url":"http://www.openwall.com/lists/oss-security/2012/04/24/15","tags":["mailing-list","x_refsource_MLIST","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2012-2134","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-cq5c-cr6p-vfwm"},{"url":"https://access.redhat.com/errata/RHSA-2012:0683","tags":["advisory"]},{"url":"https://access.redhat.com/security/updates/classification/#important","tags":["article"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2012/rhsa-2012_0683.json","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2012-2134","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2012-2134","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2012-2134","description":"The handle_connection_error function in ldap_helper.c in bind-dyndb-ldap before 1.1.0rc1 does not properly handle LDAP query errors, which allows remote attackers to cause a denial of service (infinite loop and named server hang) via a non-alphabet character in the base DN in an LDAP search DNS query.","status":"published","published":"2014-02-26T15:00:00Z","modified":"2024-08-06T19:26:08.509Z","updated_at":"2026-11-02T14:34:50.263482Z"}],"euvd":[{"id":"EUVD-2012-2134","description":"The handle_connection_error function in ldap_helper.c in bind-dyndb-ldap before 1.1.0rc1 does not properly handle LDAP query errors, which allows remote attackers to cause a denial of service (infinite loop and named server hang) via a non-alphabet character in the base DN in an LDAP search DNS query.","status":"published","published":"2014-02-26T15:00:00Z","modified":"2024-08-06T19:26:08Z","updated_at":"2026-11-03T01:56:15.412642Z"}],"ghsa":[{"id":"GHSA-cq5c-cr6p-vfwm","title":"The handle_connection_error function in ldap_helper.c in bind-dyndb-ldap before 1.1.0rc1 does not...","description":"The handle_connection_error function in ldap_helper.c in bind-dyndb-ldap before 1.1.0rc1 does not properly handle LDAP query errors, which allows remote attackers to cause a denial of service (infinite loop and named server hang) via a non-alphabet character in the base DN in an LDAP search DNS query.","status":"published","published":"2022-05-17T04:50:00Z","modified":"2023-01-28T05:02:29Z","updated_at":"2026-11-02T14:43:47.163465Z"}],"nvd":[{"id":"CVE-2012-2134","description":"The handle_connection_error function in ldap_helper.c in bind-dyndb-ldap before 1.1.0rc1 does not properly handle LDAP query errors, which allows remote attackers to cause a denial of service (infinite loop and named server hang) via a non-alphabet character in the base DN in an LDAP search DNS query.","status":"published","published":"2014-02-26T15:55:08.877Z","modified":"2026-06-16T23:41:03.597Z","cvss":[{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-399"],"updated_at":"2026-11-02T14:02:17.375282Z"}],"osv":[{"id":"RHSA-2012:0683","title":"Red Hat Security Advisory: bind-dyndb-ldap security update","status":"published","published":"2024-09-15T19:56:19Z","modified":"2026-06-26T10:18:37Z","updated_at":"2026-11-02T15:53:01.495018Z"}]}}